Klingons Break Treaty
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L
is being taken away "funny how he managed not to tell the captain im not from this time -_-....ive had just about enough of this time period "waits till im out of the main deck and flips one guy dragging me and throws the other against the wall nocking them both unconscious " >_> that was surprisingly easy....oh well" takes there phaser gun and makes my way to the engine room where i appeared first to try and go back
Wait. I will have our sociology department determine what time you belong to. Then we will go back into time by letting ourselves be captured by the sun’s gravitational pull, and centrifugal force will slingshot us into the past. However, there is no way to guarantee that we will get you precisely back to the moment you left. It is possible we will wind up permanently back in the days when dinosaurs walked the earth. This could be fun.
B
actually I misled you
earths circumference is 24000 miles = 40000 kilometres
diameter is 8000 miles = 12000 kilometres
radius = 6000 kilometres
or as BP says 6,378,000 metres
so rotational velocity = 40000km/8.77 (old)hours
so we get 40000*1000 metres/60*60*8.77 sec = 1267m/s
previously it was 40,000,000 metres/ (3600 * 24)sec = 463m/s
now we have our 2 velocities
(thank you aksel)
f1 = (m * 1267 * 1267) / 6,378,000 = 0.251*Mass metres/second/second
f2 = (m * 463 * 463) / 6,378,000 = 0.033Mass metres/second/second
assume a mass of 100kg
f1=25.1 newtons
f2 = 3.3 newtons
given gravity is 9.8 newtons INCLUDING the 3.3 newtons
we get new gravity = 9.8 newtons +3.3 newtons -25.1newtons = -12 newtons
therefore we will fly off the planet at the equator at a velocity of 12 metres per second
this will not happen at the north pole or in Norway
earths circumference is 24000 miles = 40000 kilometres
diameter is 8000 miles = 12000 kilometres
radius = 6000 kilometres
or as BP says 6,378,000 metres
so rotational velocity = 40000km/8.77 (old)hours
so we get 40000*1000 metres/60*60*8.77 sec = 1267m/s
previously it was 40,000,000 metres/ (3600 * 24)sec = 463m/s
now we have our 2 velocities
(thank you aksel)
f1 = (m * 1267 * 1267) / 6,378,000 = 0.251*Mass metres/second/second
f2 = (m * 463 * 463) / 6,378,000 = 0.033Mass metres/second/second
assume a mass of 100kg
f1=25.1 newtons
f2 = 3.3 newtons
given gravity is 9.8 newtons INCLUDING the 3.3 newtons
we get new gravity = 9.8 newtons +3.3 newtons -25.1newtons = -12 newtons
therefore we will fly off the planet at the equator at a velocity of 12 metres per second
this will not happen at the north pole or in Norway
Gravity IS NOT 9.8 newtons. This is the average acceleration DUE to gravity (wich is in m/s², not NEWTON), and other forces...
Gravity is a force!!! It is ALWAYS calculated between two masses. Do not mix acceleration with force!!!
Since the masses don't change, the gravity doesn't change either. Only the centrifugal force changes when turning faster or slower.
The average acceleration (9.8 m/s²) is an average value that is due to gravity + centrifugal force + air resistance.
B
okso how do we calculate the effective weight of a 100 kg person at the north pole compared to at the equator and how will thise values change when we speed up the rotation of the earth?
as Doctor Who would say, 'my results may have been less correct but they were more interesting'
as Doctor Who would say, 'my results may have been less correct but they were more interesting'
Weight = not mass, but a force. The only force that changes is the centrifugal force (gravity force keeps the same cuz the masses don't change). So speeding op rotation = bigger force away from earth. That's all.
Difference with northpole is lower rotation speed due to r being smaller. Just recalculate
HAven't got the time right now, but I'll do in this weekend.
And yes, you're right about the interesting part
Laddie, we’re a peaceful society—we aren’t looking to shoot anybody.
(Call comes over the intercom) Scotty, the people on the planet below won’t hand over the dilithium crystals we asked for. Do we have any photon torpedoes we could fire at them?
Aye, Captain, they’ll be ready when you need them. (Turning back to the intruder) Is there anything you can do besides shoot things?
(Call comes over the intercom) Scotty, the people on the planet below won’t hand over the dilithium crystals we asked for. Do we have any photon torpedoes we could fire at them?
Aye, Captain, they’ll be ready when you need them. (Turning back to the intruder) Is there anything you can do besides shoot things?